Smith & Wesson OEM Magazine Buttplate Catch for M&P 9/40
This factory magazine buttplate catch is a critical component for M&P9 and M&P40 magazines. Genuine S&W quality ensures proper magazine retention and reliable function.
- Genuine S&W Part: Factory OEM component (Part #398330000)
- Essential Component: Secures buttplate to magazine body
- Multi-Caliber Fit: Compatible with M&P 9mm and .40 S&W magazines
- Precision Manufactured: Built to exact S&W specifications
- New Condition: Never used, factory fresh
Compatibility: M&P9 and M&P40 magazines (Full Size and Compact).
Replace worn or damaged buttplate catches to restore proper magazine function.